Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Y. F. Tsai, MD

Individual provider Family Medicine Physician · NPI 1033161641

Dr. John Y. F. Tsai, MD is a Family Medicine Physician in Pasadena, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1239 Arden Road MC1-8
Pasadena, CA 91125-1469
Phone: (626) 395-6393
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G69320 (CA)

Record details

NPI number1033161641
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 16, 2006
Last updated in NPPESMay 4, 2024
Certification dateMay 4, 2024

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